docstr: test that creation fails with a non power-of-two size 
docstr_tok: ["test","that","creation","fails","with","a","non","power-of-two","size"]
code: def test_wrong_size(self):
      """test that creation fails with a non power-of-two size"""
      # supports for non 2** fft sizes only when compiled with fftw3
      size = 13
      try:
          with self.assertRaises(RuntimeError):
              aubio.dct(size)
      except AssertionError:
          self.skipTest(
              "creating aubio.dct with size %d did not fail" % size
          )
  
file_path: aubio/python/tests/test_dct.py
imports: import numpy
  from numpy.testing import TestCase, assert_almost_equal
  import aubio
label_desc: Use image node_id 6 for calling the aubio_dct obj's underlying member method code with example usage: obj.test_wrong_size() without return types